"You can't go around biting people. That's crazy. [Nipple twisting], that should be allowed, but the biting, no good," he said.

World football governing body FIFA has said the issue is a matter for the continental association - the Confederation of North, Central American and Caribbean Association Football (CONCACAF) - according to the BBC, and added that the organization has been contacted over the incident.

The US now progress to the semifinals in their home tournament, where they will face Costa Rica on Saturday, who defeated Panama 1-0 in their quarterfinal.

Jamaica face Canada and Honduras take on defending champions Mexico in the remaining quarterfinals. The final will be played on July 26 at Levi's Stadium in Santa Clara, California.